btsxarmyxpari btsxarmyxpari

19-02-2021
Mathematics

contestada

factorise 49m²-84mn+36n² using the identity x²+(a+b)x+ab=(x+a)(x+b)

Respuesta :

abidemiokin abidemiokin

24-02-2021

Answer:

(7m-6n)(7m-6n)

Step-by-step explanation:

Given the expression 49m²-84mn+36n², this can also be written as;

49m²-84mn+36n²

= 7²m² - 84mn + 6²n²

= (7m)²-2*7m*6n+ (6n)²

= (7m-6n)²

= (7m-6n)(7m-6n)

Hence the expanded form is (7m-6n)(7m-6n)

Answer Link

Otras preguntas

A wave is a _____ that transmits energy. medium force disturbance particle

what is 18 percent as a fraction

Which sentence below shows correct use of an em dash? Susie has been invited to go on a trip to the Yukon Territory—her favorite place—and Eastern Alaska. Su

producers exchange money for natural resources human resources and capital good A true B false

Which event caused southern states to secede from the Union, just weeks after it happened? A. the institution of stronger tariffs B. the election of Abraham Lin

If Mary has 50 oranges and Jenny has ten how much in all both girls have

The three important reasons for studying history are _____.

Adding a neutron to an atom changes what property of the atom? A. the charge B. the volume C. the atomic mass D. the atomic number

what is the rate for 171 amen3

why might voter turnout be higher in some elections than in others